﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            {
                double p, r, n, toltal;
                try
                {
                    p = Single.Parse(textBox1.Text);
                }
                catch
                {
                    MessageBox.Show("请输入数字");
                    return;
                }
                try
                {
                    r = Single.Parse(textBox2.Text);
                }
                catch
                {
                    MessageBox.Show("请输入数字");
                    return;
                }
                try
                {
                    n = Single.Parse(textBox3.Text);
                }
                catch
                {
                    MessageBox.Show("请输入数字");
                    return;
                }
                toltal = p * Math.Pow(1 + r, n);
                textBox4.Text = toltal.ToString("#0.00");
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            {
                textBox1.Text = "";
                textBox2.Text = "";
                textBox3.Text = "";
                textBox4.Text = "";
            }

        }

        private void textBox3_TextChanged(object sender, EventArgs e)
        {

        }

        private void textBox4_TextChanged(object sender, EventArgs e)
        {

        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {

        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }
    }
}

